Pipe
| Wed 20 May 2026
Beijing, May 21 -- Weifang East Steel Pipe Co Ltd has sought patent for Precise Conveying and Feeding Device for Multiple Steel Pipes. This invention was developed by Shang Weidong, Cong Yuezeng, Yu Zhisong, Zhang Liang, Zhang Xiaolu, Yang Zhiqiang, Gao Jian, Zhang Dongguang, Sun Jianyu and Nie Yongquan.
The patent applicatio..